RF2705G
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
Output Performance with CW Bas eband Inputs
High Band Mode (DCS1800/PCS1900)
Mode =High Band F x1 (see Control Logic Truth Table for Mode Control Settings)
LO
V
=2.7V, T=+25°C,
CC
LO=1710MHz to 1910MHz at 0dBm,
VGA and PA Driver
IQ=800mV ** at 100kHz,
P-P
unless otherwise noted
Output Power 8PSK Modulated*
Output Power CW
0
0
2.2
2
dBm
dBm
dBm
dBm
dBm
dBm
GC=2.0V, IQ=1.2V
8PSK
P-P
+6.0
GC=2.0V, IQ=800mV
GC=1.5V, IQ=800mV
GC=1.0V, IQ=800mV
GC=0.5V, IQ=800mV
GC=0.2V, IQ=800mV
at 100kHz
P-P
P-P
P-P
P-P
P-P
-1.6
-17.6
-30
-40
at 100kHz
at 100kHz
at 100kHz
at 100kHz
*
-44
0.2
-37
2.0
Gain Control Voltage Range
Gain Control Range
V
dB
42
28
Difference between output power at
GC=2.0V and GC=0.2V
Calculated between GC=0.5V and 1.5V
Gain Control Slope
dB/V
Modulator
Sideband Suppression
-45
-45
-45
-45
-45
-40
-40
-40
-39
-37
-30
-30
-30
-30
-30
-34
-34
-33
-30
-30
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=0.2V, No I/Q adjustment
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=0.2V, No I/Q adjustment
*
*
*
*
Carrier Suppression
*
3rd Harmonic of Modulation
Suppression at F -3x300kHz
-50
-40
dBc
GC=2.0V
C
F
x2 Mode
Spurious Outputs
LO
Spurious Outputs at Integer
Harmonics of 1/2xFLOHB
FLO LB
GC=2.0V, I/Q=800mV
at 100kHz
P-P
-70.0
-25.0
-40.0
dBm
dBm
dBm
FLO LB leakage
Second harmonic of carrier
Third harmonic of carrier
4xFLO LB
6xFLO LB
Output Compression
Output P1dB*
+8.0
dBm
I/Q=100kHz
* Not tested in Production
** Provides the same output power as modulated signal with associated crest factor.
5-120
Rev A0 060206
RFMD [ RF MICRO DEVICES ]
